Availability
1978 Manley Engines & Components
Connecting Rod Bolts, 12-Point, Cap Screw, 7/16 in. Thread, Chevy, Ford, Chrysler, Dodge, Plymouth, Set of 4
Part Number: MAN-42391-4
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valve, Intake, Titanium, 2.100 in. Diameter, .342 in. Stem, 5.240 in. Length, Universal, Each
Part Number: MAN-11456T-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
VALVE-BBC S/D 1.940
Part Number: MAN-12803-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valve, BBC intake 2.190 stock length, Street Master, set of 8
Part Number: MAN-10872-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .342 in. Stem, Stock Length, 5.422 in. Length, Each
Part Number: MAN-10881-8
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.374 in. Length, Chevy, Each
Part Number: MAN-11831-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valve, Intake, Severe Duty, Stainless Steel, 2.325 in. Diameter, 0.3415 in. Stem, 6.59 in. Length, Each
Part Number: MAN-11580-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valve, SBC intake, 2.080 +.300 Pro Flo, set of 8
Part Number: MAN-11740-8
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valves, Exhaust, Severe Duty, Stainless Steel, 1.880 in.Diameter, 0.311 in. Stem, 5.422 in. Length, Set of 8
Part Number: MAN-12815-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valve, Exhaust, XH-432 Xtreme Alloy, 1.880 in. Head Diameter, 5.454 in. Length, Chevy, Big Block, Each
Part Number: MAN-11731-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valves, Intake, NK-842 Stainless, 42mm Diameter, .313 in. Stem, 4.405 in. Length, Set of 4
Part Number: MAN-11652-4
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.100 in. Diameter, .342 in. Stem, 5.340 in. Length, Chevy, Each
Part Number: MAN-11334-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Pistons, Forged, Flat, 4.060 in. Bore, Chevy, Set of 8
Part Number: MAN-590860-8
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Piston, Forged, Flat, 4.040 in. Bore, Chevy, Each
Part Number: MAN-591240L-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Piston, Forged, Flat, 4.030 in. Bore, Chevy, Each
Part Number: MAN-590630L-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Pistons, Forged, Flat, 4.035 in. Bore, Chevy, Set of 8
Part Number: MAN-591135-8
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Pistons, Forged, Flat, 4.040 in. Bore, Chevy, Set of 8
Part Number: MAN-591340-8
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Piston, Forged, Flat, 4.035 in. Bore, Chevy, Each
Part Number: MAN-591235L-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valves, Exhaust, Stainless Steel, 1.60 in. Diameter, .311 in. Stem, 5.040 in. Length, Chevy, Set of 8
Part Number: MAN-11305-8
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Piston, Forged, Flat, 4.030 in. Bore, Chevy, Each
Part Number: MAN-590730R-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Piston, Forged, Flat, 4.035 in. Bore, Chevy, Each
Part Number: MAN-591035L-1
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Pistons, Forged, Flat, 4.030 in. Bore, Chevy, Set of 8
Part Number: MAN-590130-8
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valve, Intake, Stainless Steel, 2.110 in. Diameter, .342 in. Stem, 5.100 in. Length, Pontiac V8, Each
Part Number: MAN-11364-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valve, Intake, Stainless Steel, 1.94 in. Diameter, .311 in. Stem, 5.010 in. Length, Chevy, Each
Part Number: MAN-11302-1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 4.725 in. Length, 1.500 in. Diameter, 0.3415 in. Diameter Stem, Buick V6, Each
Part Number: MAN-11503-1
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster